1680138720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29917}}^1$

素因数の和:29954

約数の個数: 192

約数和(自身を含む): 6333042240

約数和(自身を除く): 4652903520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 351, 360, 390, 416, 432, 468, 480, 520, 540, 585, 624, 702, 720, 780, 864, 936, 1040, 1080, 1170, 1248, 1404, 1440, 1560, 1755, 1872, 2080, 2160, 2340, 2808, 3120, 3510, 3744, 4320, 4680, 5616, 6240, 7020, 9360, 11232, 14040, 18720, 28080, 29917, 56160, 59834, 89751, 119668, 149585, 179502, 239336, 269253, 299170, 359004, 388921, 448755, 478672, 538506, 598340, 718008, 777842, 807759, 897510, 957344, 1077012, 1166763, 1196680, 1346265, 1436016, 1555684, 1615518, 1795020, 1944605, 2154024, 2333526, 2393360, 2692530, 2872032, 3111368, 3231036, 3500289, 3590040, 3889210, 4038795, 4308048, 4667052, 4786720, 5385060, 5833815, 6222736, 6462072, 7000578, 7180080, 7778420, 8077590, 8616096, 9334104, 10500867, 10770120, 11667630, 12445472, 12924144, 14001156, 14360160, 15556840, 16155180, 17501445, 18668208, 21001734, 21540240, 23335260, 25848288, 28002312, 31113680, 32310360, 35002890, 37336416, 42003468, 43080480, 46670520, 52504335, 56004624, 62227360, 64620720, 70005780, 84006936, 93341040, 105008670, 112009248, 129241440, 140011560, 168013872, 186682080, 210017340, 280023120, 336027744, 420034680, 560046240, 840069360, 1680138720]

約数ペア:

[(1, 1680138720), (2, 840069360), (3, 560046240), (4, 420034680), (5, 336027744), (6, 280023120), (8, 210017340), (9, 186682080), (10, 168013872), (12, 140011560), (13, 129241440), (15, 112009248), (16, 105008670), (18, 93341040), (20, 84006936), (24, 70005780), (26, 64620720), (27, 62227360), (30, 56004624), (32, 52504335), (36, 46670520), (39, 43080480), (40, 42003468), (45, 37336416), (48, 35002890), (52, 32310360), (54, 31113680), (60, 28002312), (65, 25848288), (72, 23335260), (78, 21540240), (80, 21001734), (90, 18668208), (96, 17501445), (104, 16155180), (108, 15556840), (117, 14360160), (120, 14001156), (130, 12924144), (135, 12445472), (144, 11667630), (156, 10770120), (160, 10500867), (180, 9334104), (195, 8616096), (208, 8077590), (216, 7778420), (234, 7180080), (240, 7000578), (260, 6462072), (270, 6222736), (288, 5833815), (312, 5385060), (351, 4786720), (360, 4667052), (390, 4308048), (416, 4038795), (432, 3889210), (468, 3590040), (480, 3500289), (520, 3231036), (540, 3111368), (585, 2872032), (624, 2692530), (702, 2393360), (720, 2333526), (780, 2154024), (864, 1944605), (936, 1795020), (1040, 1615518), (1080, 1555684), (1170, 1436016), (1248, 1346265), (1404, 1196680), (1440, 1166763), (1560, 1077012), (1755, 957344), (1872, 897510), (2080, 807759), (2160, 777842), (2340, 718008), (2808, 598340), (3120, 538506), (3510, 478672), (3744, 448755), (4320, 388921), (4680, 359004), (5616, 299170), (6240, 269253), (7020, 239336), (9360, 179502), (11232, 149585), (14040, 119668), (18720, 89751), (28080, 59834), (29917, 56160)]